html,body{font-size: 14px;}
ul{ margin:0; padding:0;}
li{ list-style:none;}
a:hover{text-decoration: none;}

/* header: */
/*导航条*/
.navbar.navbar-default{ background-color:#fff; margin-bottom:0; border:none;}
.container>.navbar-header{height:78px;}
.navbar-brand{ padding:0; margin-top:4px;}
.navbar-toggle{ margin-top:20px;}
.nav>li>a{ padding:0; margin-right:32px;}
.navbar-nav>li>a{ line-height:64px;}

/*content:*/
/*巨幕*/
.jumbotron{ background:url(../images/content-big.png) no-repeat; background-size: 100% 100%; color:#fff; margin-bottom:0; padding:26.5% 0; height:100%;}
.jumbotron .container{ padding-left: 7.5%;}
.jumbotron h1{font-size: 4.142857142857143rem;}
.jumbotron p{ font-size:1.857142857142857rem; margin-top:60px;}
.jumbotron p:last-child{ margin-top:0px;}
/*安卓*/
.content-list{ margin:98px auto; color:#000;}
.item{text-align: center;}
.content-list .pic>img{ width:90%;}
.content-list .list-content li{ padding:70px 0;}
.content-list .list-content li:hover{background: #ccf1fc;}
.content-list h1{ font-size:20px;}
/*html5*/
.content-web{background: #f0f0f0;}
.web-content{ margin-top: 94px; margin-bottom: 94px;}
.web-content .pic>img{ width:90%;}
.web-intro li{ line-height:40px;}
.web-intro li .background{display: inline-block; height: 50px; width: 50px; background:url(../images/logo.png)no-repeat center center #fff;background-size: 80% 80%; border-radius: 50%; position: relative;top: 20px;}
/*bootstrap*/
.web-intro li .other{ background: url(../images/logo.png)no-repeat center center #ccc; background-size: 80% 80%;}
.content-bootstrap h1{font-size: 38px;}
.content-bootstrap span{}
/*join study*/
.pic{text-align: center;}
.pic>a button{color: #106fb1;font-size: 22px; border: 1px solid #106fb1;text-align: center; background-color: #fff; width: 290px; height: 90px; margin: 46px 0px 80px 0px;}
.pic>a.current button,.pic>a:hover button{background-color: #86deca; border: none; color: #fff;}
/*app*/
.content-app h1{margin-top: 7%; margin-bottom: 4%; font-size: 37px; }
.content-app ul{margin-top: 26px; text-align: center;}
/*contact us*/
.content-us{background: url(../images/contact-us-bg.png) no-repeat;background-size: 100% 100%;}
.us-content{margin: 116px 0 68px 0; color: #fff;}
.us-content .row h1{font-size: 38px; margin-top: 0px;}
.us-content .row p{margin-top: 24px; margin-bottom: 24px;}
.us-content .row ul>li{ margin-bottom: 26px;}
.us-content .row form{margin-top: 74px;}
.us-content .row form .form-control{border-radius: 0px;}
.us-content .row form textarea{resize: none; overflow: auto;}
.us-content .row form .submit-btn{border-radius: 0px; width: 336px; height: 50px; border: none;background-color: #3dccac;}

/* footer开始 */
.footer{text-align: center; height: 108px;line-height: 108px;}
@media screen and (max-width: 768px) {
	.us-content .row form .name-btn{margin-bottom: 15px;}	
}
@media screen and (max-width: 768px) {
	.pic>a button,.us-content .row form .submit-btn{width:260px;}	
}
@media screen and (max-width: 768px) {
	.content-web,.content-list{text-align: center;}
}
@media screen and (max-width: 768px) {
	.navbar-default .navbar-nav > li:hover{background-color: #eee;}
	.navbar-nav{margin-top: 0px;}
}